long double base10(int n)
{

	long double answer = 1;
	double power = 10;
	int i;
	if(n<0)
	{
		power = 1/power;
		n *= -1;
	}
	for(i=0; i<n; ++i)
		answer *= power;
	return answer;
}

void testBase10()
{

	printf("%Le\n",  base10(100));
	printf("%Le\n",  base10(1));
	printf("%Le\n",  base10(0));
	printf("%Le\n",  base10(-1));
	printf("%Le\n",  base10(-100));
}